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A254988 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally and vertically 1
2462249, 28125597, 562741035, 11760002405, 238370434022, 5043778832638, 107757967581726, 2265895906065136, 47852157043609832, 1013669361676786896, 21439426659622350165, 453176087871840448014, 9586472302967108317159 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A254989
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..0..1..1..1..0..0....0..0..0..0..1..1..1..1..1
..0..0..0..1..1..1..0..0..0....0..0..0..0..0..1..0..1..0
..0..0..0..0..0..1..1..1..1....0..0..0..0..0..1..1..0..1
CROSSREFS
Sequence in context: A022216 A257195 A257188 * A097968 A205025 A254774
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 11 2015
STATUS
approved

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Last modified June 21 23:34 EDT 2024. Contains 373560 sequences. (Running on oeis4.)